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Ash - the paper patched bullets did not reduce fouling, but due to deformation, slugged up to fill varying groove diameters common in those days. A grooved lubricated bullet needs to be closer to groove diameter to shoot well - not so the paper patched bullets with base wads.

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Anyone know if when the BP grease groove bullets came on the scene if they kept them at bore diameter as they had in the paper patched bullets?
Is there a reason that a soft GG bullet wouldn't bump up like a patched bullet does?
I suspect that a long bullet of bore diameter only bumps up in the rear third or so of its length leaving the leading half or more bore riding.
A high speed film of a bullet shedding its paper patch and a look at the rifling on the bullet would sure be nice to see!

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He who lives in the past is doomed to enjoy it.

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